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Find out why common blood type

An antigen called a substance that controls the diversity of blood groups, proteins, or sugar groups in the red blood, helps to determine the types of blood. They are antigen A or …

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Space exploration astronomers puzzles!

Astronomers say that galaxies are moving in and out of each other universally, faster than they think. NASA's Hubble Space Telescope measurements have been confirmed as the universe is spreading faster than …

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